Treadle



FIG. 1 is a perspective view of a treadle showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevational view thereof with the treadle in an “up” position, wherein the right elevational view is a mirror image of the left side; and,

FIG. 5 is a left side elevational view thereof with the treadle in a “down” position, wherein the right elevational view is a mirror image of the left side.

The broken lines in FIGS. 1-5 show environmental structure and form no part of the claimed design. 

The ornamental design for a treadle, as shown and described. 